Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + DWF Rainfall + 2 DWF Equal to rainfall Rainfall + 6 DWF Rainfall + DWF Rainfall + 2 DWF Equal to rainfall Rainfall + 6 DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Decreasing the surface area of tank Increasing the surface area of tank Increasing the depth of tank Decreasing the depth of tank Decreasing the surface area of tank Increasing the surface area of tank Increasing the depth of tank Decreasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) B 4B 8B 2B B 4B 8B 2B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 15 to 30 cm/hour 15 to 30 cm/minute 15 to 30 cm/sec 5 to 10 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute 15 to 30 cm/sec 5 to 10 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following values of pH represents a stronger acid? 2 5 4 3 2 5 4 3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of hardness Killing of disease bacteria Complete sterilisation Removal of turbidity Removal of hardness Killing of disease bacteria Complete sterilisation Removal of turbidity ANSWER DOWNLOAD EXAMIANS APP